[MacPorts] #51873: tDOM: use github portgroup

[MacPorts]

#51873: tDOM: use github portgroup
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  Reporter:  ryandesign@…  |      Owner:  neumann@…
      Type:  enhancement   |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.4
Resolution:                |   Keywords:  haspatch
      Port:  tDOM          |
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Comment (by neumann@…):

 No objection at all, when it works - perfect!

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Ticket URL: <https://trac.macports.org/ticket/51873#comment:1>
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